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HP 4300 Service Manual - Page 438

Fast InfraRed Receiver, mounting location 127, Fast Ethernet cards 365

UPC - 808736312264

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EWS (embedded Web server) description 243 Information tab 244 links for support and supplies 245 Networking tab 244 opening 243 requirements 243 setting language 244 Settings tab 244 using for troubleshooting 239, 243 viewing with Printer Status and Alerts 245 exchange numbers accessories and supplies 364 memory, fonts, and mass storage 365 printer maintenance kits 366 expandable memory 3, 8 F face-down tray paper-full sensor 100 factory defaults description 38 restoring 247 restoring using cold reset 251 failure detection for motors 70 fan motor 70 fans conditions turning them on 237 connectors 356 cooling left side 375 cooling right side 375 cover (power supply shield) 375 left side, removing and replacing 168 life expectancy 59 location 337 main cooling 337 order in which to remove 135 right side, removing and replacing 170 right-side cooling 337 troubleshooting 236, 237, 287 Fast Ethernet cards 365 Fast InfraRed Receiver, mounting location 127 fasteners measurement guide 134 used in printer 134 FastRes resolution, setting 47 FCC regulations ii, 23 features of printer 3 feed clutch 79 feed mechanism and motor, stacker and stapler/stacker 346 feed motor stacker 104 stapler/stacker 107 feed roller clutch 82 feed rollers 1,500-sheet feeder 214, 342, 402 500-sheet feeder, location 339 500-sheet feeder, removing and replacing 204 cleaning 55 life expectancies 59 location 335 location, 500-sheet feeder 339 operation 78, 82, 84, 85 order in which to remove 135 shaft 382 tray 2, removing and replacing 141 feeder accessory cable 376 feeder units. See 500-sheet feeder; 1,500-sheet feeder feeding problems, troubleshooting 14, 304 field replacement units (FRUs). See FRUs (field replaceable units) 418 Index file directory printing 41 using for troubleshooting 239 file operation failure 259 Finland laser statement 22 firmware DIMMs installing 129 order in which to remove 135 part numbers 365 removing and replacing 160 fixing delivery sensor stacker 104 stapler/stacker 109 fixing film 389 fixing pressure roller 389 flags paper sensing 382 paper sensing, 500-sheet feeder 393 paper size sensor, 500-sheet feeder 396 paper-feed sensor 371 flash DIMMs description 128 device failure 260 part numbers 365 printing file directory 41 write protected 260 flat washers 134 flowchart for troubleshooting 234 fluorine coating 124 focusing lenses in laser/scanner operation 76, 121 folded paper 304 folds, troubleshooting 319 font DIMMs part numbers 365 setting slot location 45 font lists printing 41 using for troubleshooting 239 fonts numbers assigned by printer 45 part numbers 365 selecting symbol set 46 setting Courier 45 setting internal, soft, or slot location 45 setting pitch 45 form length setting 45 formatter cover 145 operation 127 order in which to remove 135 part numbers 366 processor types 128 resetting page count 249 test page 254 formatter assembly 161 frame type for IPX/SPX 52 frequently asked questions, support website 363 FRUs (field replaceable units) assemblies and subassemblies 367 ordering 362 service approach 28 full-duplex communication mode 52 fuse assembly delivery 78 fuse blown, troubleshooting 237 Q2431-90912

Section	Page
Table of contents	5
List of figures	11
List of tables	17
Printer description	21
Printer configurations	23
Model and serial numbers	24
Site requirements	25
Printer specifications	25
Physical dimensions	26
Printer weights (without print cartridge)	27
Environmental specifications	27
Paper specifications	29
Supported sizes and weights of media	30
Supported types of media	34
Guidelines for using paper	34
Paper weight equivalence table	35
Labels	36
Overhead transparencies	36
Envelopes	37
Envelope construction	37
Envelopes with double-side-seams	37
Envelopes with adhesive strips or flaps	37
Envelope margins	38
Envelope storage	38
Card stock and heavy paper	38
Card stock construction	38
Card stock guidelines	38
Types of print media to avoid	39
Safety information	40
Print cartridge and toner safety	40
Handling and storage	40
First aid measures	40
Clothing contact	40
Additional information	40
Laser safety	40
Laser safety statement (U.S.)	40
EMI statement (Korea)	41
VCCI statement (Japan)	41
Laser statement (Finland)	42
Regulatory information	43
FCC regulations	43
Environmental product stewardship program	44
Protecting the environment	44
Energy consumption	44
Toner consumption	44
Paper use	44
Plastics	44
HP LaserJet printing supplies	44
Paper	44
Material restrictions	45
For more information	45
HPPrinting Supplies Returns and Recycling program information	45
U.S. returns	45
NonU.S. returns	45
Declarations of Conformity	46
Declaration of Conformity	46
Canadian DOC regulations	46
Service approach	47
Service approach	48
Parts and supplies	48
Ordering information	48
Related documentation and software	48
Support	48
HP-authorized resellers and support	49
HP service agreements	49
HP PartnerCare	49
Worldwide service and support offices	50
Print-cartridge information	51
Refilled print cartridges	51
Recycling print cartridges	51
Returns	51
HewlettPackard limited warranty statement	52
Limited warranty for toner cartridge life	53
Printer operation	55
Using the control panel	56
Control-panel layout	56
Control-panel lights	56
Control-panel buttons	57
Using the printer Help system	57
Settings and defaults	58
Setting the control-panel display language	58
Control-panel menus	59
Overview	59
Printing and changing control-panel menus	59
To print a control-panel menu map	59
To change a control-panel setting	60
Retrieve Job menu	61
Information menu	61
Paper Handling menu	62
Configure Device menu	64
Printing submenu	64
PCL sub-submenu (a submenu in the printing submenu)	65
Print Quality submenu	66
System Setup submenu	69
Stapler/stacker submenu	71
I/O submenu	72
Printer maintenance	73
Cleaning the printer and accessories	74
Cleaning the fuser	75
Running the cleaning page manually	76
To run the cleaning page manually	76
Running the cleaning page automatically	77
To run the cleaning page automatically	77
Cleaning spilled toner	77
Performing preventative maintenance	78
Resetting the maintenance-kit counter	78
Expected life of components	79
Maintaining the stapler unit	80
Removing and replacing the stapler unit	80
To remove and replace the stapler unit	80
Loading staples	82
To load staples	82
Downloading a remote firmware update	83
Theory of operation	85
Introduction	87
Basic operation of the printer	87
Printer operating sequence	87
Control system overview	88
Pickup and feed system overview	88
Laser/scanner system overview	88
Image formation system overview	88
General descriptions	89
DC controller PCA	89
Motor and fan control	90
Power supply	91
Fuser-control circuit	91
Fuser over-temperature protection	92
High-voltage circuit	93
Low-voltage circuit	94
Overcurrent/overvoltage protection	95
Toner detection	95
Cartridge detection	95
Cartridge memory	95
Laser/scanner assembly	96
Laser/scanner control	97
Paper pickup system	98
Paper pickup and feed block	99
Printing from tray 1	100
Printing from tray 2	102
Tray 2, 500-, 1,500-sheet feeder media size detection	103
Lifter-driver operation	104
Multiple feed prevention	104
Media skew prevention	105
Fixing/delivery block	106
Printer jam detection	107
Printer pickup delay jam from tray 1	107
Printer pickup delay jam from tray 2	107
Printer pickup stationary jam	107
Printer delivery wrap jam when feeding regular media	108
Printer delivery wrap jam when feeding non-regular media	108
Printer delivery delay jam	108
Printer door open jam	109
Printer residual media jam	109
Printing from the 500-sheet feeder	110
500-sheet feeder pickup and feeding	110
Printing from the 1,500-sheet feeder	112
1,500-sheet feeder pickup and feeding	112
1,500-sheet feeder lifting mechanism	114
Envelope feeder	115
Envelope feeder pickup and feeding	116
Envelope feeder jam detection	117
Envelope feeder pickup delay jam	117
Envelope feeder pickup stationary jam	117
Duplexer	118
Reversing and duplexer pickup	119
Duplexer jam detection	120
Stacker and stapler/stacker	121
Stacker	123
Stacker feed and delivery	124
Stacker jam detection	125
Stacker feed jam	125
Stacker feed stationary jam	125
Stacker residual media jam	125
Stapler/stacker	126
Stapler/stacker feed and delivery	127
Staple mode feed and delivery	129
Stapler unit	133
Stapler unit operation	134
Staple level detection	136
Stack mode feed and delivery	136
Stapler/stacker jam detection	137
Stapler/stacker feed jam	137
Stapler/stacker feed stationary jam	137
Stapler/stacker delivery jam	137
Stapler/stacker residual media jam	137
Imageformation system	138
Electrostatic latentimage formation	140
Primary charging	140
Writing the image	141
Developing the image	142
Transferring the image	143
Fusing the image	144
Cleaning the transfer charging roller and photosensitive drum	145
Print cartridge memory chip	146
Formatter system	147
PowerSave	147
Resolution Enhancement technology	147
EconoMode	148
Input/output	148
Parallel interface	148
Expanded I/O	148
Flash	148
Hard-disk accessory	148
CPU	148
Printer memory	149
Read-only memory	149
Random-access memory	149
DIMM slots	149
Firmware DIMM	149
Nonvolatile memory	149
Memory Enhancement technology	149
PJL overview	150
PML	150
Control panel	150
Removing and replacing parts	151
Removal and replacement strategy	153
Required tools	153
Before performing service	153
After completing service	153
Screws used in the printer	154
Parts-removal tree	155
Printer input tray, and cabinet wheel locks	156
User-replaceable parts	157
Print cartridge	157
Transfer roller	158
Tray 1 pickup roller	159
Tray1 separation pad	160
Tray2 feed rollers	161
Covers, tray1, and the rear output bin	163
Accessory covers and the tray2 extension door	163
Formatter cover	165
Top cover	166
Rightside cover	169
Leftside cover	171
Tray1	172
Rear output bin	175
Controlpanel display	176
Controlpanel overlay	176
Controlpanel assembly	177
Internal components	180
Firmware DIMM	180
Formatter assembly	181
Fuser	182
Output delivery assembly	183
Duplexing pendulum assembly	185
Tray2 mediasize sensor	187
Main cooling fan (left side)	188
Cooling fan (right side; HPLaserJet4300 series printer only)	190
Laser/scanner assembly	193
Print-cartridge motor (HPLaserJet4300 series printer only)	195
Main motor	197
Tray2 lifter-drive assembly	199
DCcontrollerPCA	201
Paperpickup assembly,	203
Main drive assembly	206
Power supply	208
Paper-feed belt assembly	211
Tray1 paperpickup assembly	212
Paper feed assembly	215
Registration assembly	218
Transfer assembly	220
Accessories	224
500sheet feeder assembly	224
500sheet feed rollers	224
500-sheet feeder right-side cover	224
500sheet feeder controlPCA	227
500sheet feeder mediasize sensor	228
500sheet feeder lifterdrive assembly	229
500sheet feeder paperpickup drive assembly	230
1,500sheet feeder assembly	234
1,500sheet feeder feed rollers	234
1,500sheet feeder separation roller	234
1,500sheet feeder door	235
1,500sheet feeder rear cover	237
1,500sheet feeder rightside cover	238
1,500sheet feeder controlPCA	240
1,500sheet feeder mediasize sensor	241
1,500sheet feeder lifterdrive assembly	242
1,500sheet feeder paperpickup drive assembly	245
Troubleshooting	247
Introduction	250
Troubleshooting process	251
Initial troubleshooting checklist	252
Troubleshooting flowchart	254
Power-on checks	256
Overview	256
Troubleshooting tools	259
Information pages	259
Menu map	260
Configuration page	261
Supplies status page	262
EmbeddedWebserver	263
Gaining access to the embeddedWebserver	263
Information tab	264
Settings tab	264
Networking tab	264
Other links	265
Printer Status and Alerts software	265
To select status messages	266
To view status messages and information	266
Controlpanel menus	267
Using controlpanel menus	267
Resets submenu	267
Diagnostics menu	268
Service menu (service PIN codes)	269
Service ID	270
Restoring the Service ID	270
Converting the ServiceID to an actual date	270
Printer resets and poweron modes	271
Cold reset	271
To perform a cold reset	271
NVRAM initialization	271
To initialize NVRAM	271
Harddisk initialization	272
To initialize the hard disk	272
Poweron bypass	272
Skip disk load	272
Self test	273
Test pages	274
Engine test page	274
Formatter test page	274
Interface troubleshooting	275
Communications checks	275
Computer direct connect (parallel) test	275
EIO troubleshooting	275
Jetdirect page	276
Displaymessage troubleshooting	277
Status messages	277
Warning messages	277
Error messages	277
Criticalerror messages	277
Alphabetical printer messages	278
Numerical printer messages	294
Paperpath troubleshooting	315
Overview	315
Paperjam recovery	316
To disable the paperjam recovery	316
Avoiding paper jams	317
Persistent jams	318
Basic troubleshooting for persistent jams	318
Data collection	318
General paperpath troubleshooting	319
Paperpath checklist	319
Paperpath test	320
To perform a paper test	320
Jams in tray 1	321
Jams in tray2	321
Jams in tray3 and/or tray4	322
Jams in the paper path	323
Jams in the duplex path	323
Media transport problems	324
Multiple pages feed	324
Paper is wrinkled or folded	324
Paper is skewed	325
Image-formation troubleshooting	326
Print quality problems associated with media	326
Overhead transparency defects	327
Print quality problems associated with the environment	327
Print quality problems associated with jams	327
Image defects	328
Overview	328
Image quality	328
Check the print cartridge	329
EconoMode	329
Half selftest functional check	330
Drum rotation functional check	330
Image defect tables	331
Repetitive defects troubleshooting	345
Troubleshooting the stacker and the stapler/stacker	346
Overview	346
Initial checks	346
Jam errors	347
Stacker and stapler/stacker paper path	347
Stacker paper path test	347
Stapler/stacker paper path test	348
Paper transport errors	350
Malfunction errors	350
Component errors	351
Printer component locations	352
Main printer parts	352
Printer switches and sensors	356
Printer motors and fans	357
Printer PCAs	358
Accessory component locations	359
500sheet feeder main parts	359
500sheet feeder switches, sensors, solenoids, andPCAs	360
1,500sheet feeder main parts	361
1,500sheet feeder switches, sensors, solenoids, andPCAs	363
Stapler/stacker stapler assembly	364
Stacker and stapler/stacker switches and sensors	365
Stacker and stapler/stacker motors and solenoids	366
Stacker and stapler/stacker PCAs	367
Printer and accessory wiring diagrams	368
DC controller block diagram	376
General timing diagrams	377
Parts and diagrams	381
Ordering parts, supplies, and getting support	382
Ordering information	382
Related documentation and software	382
Support	382
HP-authorized resellers and support	383
HP service agreements	383
HP PartnerCare	383
Accessories and supplies	384
How to use the parts lists and diagrams	387
Parts diagrams and lists	388
Alphabetical parts list	425
Numerical parts list	429

Match case Limit results 1 per page

418

Index

Q2431-90912

EWS (embedded Web server)

description 243

Information tab 244

links for support and supplies 245

Networking tab 244

opening 243

requirements 243

setting language 244

Settings tab 244

using for troubleshooting 239, 243

viewing with Printer Status and Alerts 245

exchange numbers

accessories and supplies 364

memory, fonts, and mass storage 365

printer maintenance kits 366

expandable memory 3, 8

face-down tray paper-full sensor 100

factory defaults

description 38

restoring 247

restoring using cold reset 251

failure detection for motors 70

fan motor 70

fans

conditions turning them on 237

connectors 356

cooling left side 375

cooling right side 375

cover (power supply shield) 375

left side, removing and replacing 168

life expectancy 59

location 337

main cooling 337

order in which to remove 135

right side, removing and replacing 170

right-side cooling 337

troubleshooting 236, 237, 287

Fast Ethernet cards 365

Fast InfraRed Receiver, mounting location 127

fasteners

measurement guide 134

used in printer 134

FastRes resolution, setting 47

FCC regulations ii, 23

features of printer 3

feed clutch 79

feed mechanism and motor, stacker and stapler/stacker 346

feed motor

stacker 104

stapler/stacker 107

feed roller clutch 82

feed rollers

1,500-sheet feeder 214, 342, 402

500-sheet feeder, location 339

500-sheet feeder, removing and replacing 204

cleaning 55

life expectancies 59

location 335

location, 500-sheet feeder 339

operation 78, 82, 84, 85

order in which to remove 135

shaft 382

tray 2, removing and replacing 141

feeder accessory cable 376

feeder units.

See

500-sheet feeder; 1,500-sheet feeder

feeding problems, troubleshooting 14, 304

field replacement units (FRUs).

See

FRUs (field replaceable units)

file directory

printing 41

using for troubleshooting 239

file operation failure 259

Finland laser statement 22

firmware DIMMs

installing 129

order in which to remove 135

part numbers 365

removing and replacing 160

fixing delivery sensor

stacker 104

stapler/stacker 109

fixing film 389

fixing pressure roller 389

flags

paper sensing 382

paper sensing, 500-sheet feeder 393

paper size sensor, 500-sheet feeder 396

paper-feed sensor 371

flash DIMMs

description 128

device failure 260

part numbers 365

printing file directory 41

write protected 260

flat washers 134

flowchart for troubleshooting 234

fluorine coating 124

focusing lenses in laser/scanner operation 76, 121

folded paper 304

folds, troubleshooting 319

font DIMMs

part numbers 365

setting slot location 45

font lists

printing 41

using for troubleshooting 239

fonts

numbers assigned by printer 45

part numbers 365

selecting symbol set 46

setting Courier 45

setting internal, soft, or slot location 45

setting pitch 45

form length setting 45

formatter

cover 145

operation 127

order in which to remove 135

part numbers 366

processor types 128

resetting page count 249

test page 254

formatter assembly 161

frame type for IPX/SPX 52

frequently asked questions, support website 363

FRUs (field replaceable units)

assemblies and subassemblies 367

ordering 362

service approach 28

full-duplex communication mode 52

fuse assembly delivery 78

fuse blown, troubleshooting 237